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radio controlled plane Technology operates at increasting distances. Bluetooth, GPS, 3G and of course the Web but one long range technology that has been around a long time is radio.
Radio is still used by NASA to carry communications and at various points in history has been used to carry very important messages. This cool technology just keeps giving because it is now used by remote control enthusiasts for fun and enjoyment.
The signal carried provides direction, speed and can even relay back information like fuel left! Wikipedia has a great article about remote control planes but remote, or radio, controlled boats, trucks and submarines also exist.
So next time you think about new technology look into the past to radio to bring your enjoyment to life.